201219909902

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{831487231}}^1$

素因数の和:831487255

約数の個数: 12

約数和(自身を含む): 331763405568

約数和(自身を除く): 130543495666

約数列:

[1, 2, 11, 22, 121, 242, 831487231, 1662974462, 9146359541, 18292719082, 100609954951, 201219909902]

約数ペア:

[(1, 201219909902), (2, 100609954951), (11, 18292719082), (22, 9146359541), (121, 1662974462), (242, 831487231)]